Trek TR-20 1999 VS GT SPEED SERIES JR 1998 specs comparison
Trek TR-20
General Infos| Model | TR-20 |
| Manufacturer | Trek |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
- Mellow Gold and Crimson -Chrome and Lemon |
| Sizes |
- Professional size |
| Sizes |
- Professional size |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) Bontrager Revolt ST-2 Front: 20 X 2.10 (inches) Bontrager Revolt ST-2 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Chang Star 281DT Levers Chang Star VB-911 DK Brakes |
| Hubs for disc brakes | Formula |
| Rims manufacturer | 36-hole Bontrager Mack |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge |
Frame and Body Specs
| Frame materials | Chromoly and hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Chromoly |
| Handlebar extender | Not Available |
| Handlebar stem details | Alloy Ahead Type |
| Headset size | 1 1/8 (inches) Threadless Aheadset SE-1 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) Taya TB-410 |
| Bottom bracket shell width | American |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 1-piece Steel |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Trek TR-20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Not Available |
| Fork type | Trek |
Other Specs of Trek TR-20
| Component group sets | Not Available |
| Pedals details | Alloy Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager FS Plus 10 |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
GT Speed Series Jr
General Infos| Model | Speed Series Jr |
| Manufacturer | GT |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
-Ball-burnished |
| Sizes |
- Junior |
Wheels And Breaking System
| Bike front tire | 20 X 1 1/8 (inches) GT AA Pro |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe MX-122 Levers Tektro Dual-pivot Caliper Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 28-hole Weinmann Mini Zac |
| Spoke nipples type | Alloy Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | GT Jr Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Mini Piston |
| Headset size | 1 (inches) Threadless Aheadset DX2 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | GT Cartridge |
| Crankset parts and sizes | GT 3-piece Jr Aluminum |
| Gear shift levers | Not Available |
| Rear gear set | 1-speed |
GT Speed Series Jr Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | GT |
Other Specs of GT Speed Series Jr
| Component group sets | Not Available |
| Pedals details | Victor VP-103 Clipless |
| Rear shock absorber | Not Available |
| Saddle seat | GT |
| Seat post extension | GT Aluminum |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its TR-20 bike manual
- Find All parts, tires and accessories of Trek TR-20 BMX here
- Get your GT Speed Series Jr manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Speed Series Jr BMX here